add docker action to maven workflow

.github/workflows/maven.yml

@@ -62,3 +62,23 @@ jobs:
         files: ./fizz-gateway-community-${{ steps.releaseVersion.outputs.substring }}.zip
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    - name: Set up QEMU
+      if: startsWith(github.ref, 'refs/tags/')
+      uses: docker/setup-qemu-action@v1
+    - name: Set up Docker Buildx
+      if: startsWith(github.ref, 'refs/tags/')
+      uses: docker/setup-buildx-action@v1
+    - name: Login to DockerHub
+      if: startsWith(github.ref, 'refs/tags/')
+      uses: docker/login-action@v1
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+    - name: Build and push
+      if: startsWith(github.ref, 'refs/tags/')
+      uses: docker/build-push-action@v2
+      with:
+        file: ./fizz-bootstrap/Dockerfile
+        context: .
+        push: true
+        tags: fizzgate/fizz-gateway-community:${{ github.ref }}